On the Path to Eternal Youth: What Is Longevity?

Have you ever wondered what the secret to a long and healthy life is? This secret lies behind a term that has been gaining increasing importance in recent years: “longevity”. Long established as one of the latest major trends in the United States, longevity research is now being pursued intensively by research institutes, doctors, scientists and even technology figures such as Bryan Johnson.

They all contribute to science continually gaining new insights into ageing. The concept has now also gained a foothold in Europe and is becoming an increasingly important focus of scientific research and health-conscious lifestyles. And for good reason, because ultimately longevity is about what truly matters most: our health.

Table of contents

1. Longevity – more than just the next megatrend
2. Beyond old age: health takes centre stage
3. Healthspan vs. lifespan – the outlook is promising
4. How can I influence my own longevity?
5. Technology as support for our longevity
6. “Longevity Escape Velocity”: the prospect of a long life in perpetual youth
7. Conclusion
8. Sources

Longevity – more than just the next megatrend

Longevity refers to the ability to live for many years while remaining healthy for as long as possible. It is about filling those years with health, vitality and joy. Both the maximum lifespan, meaning the maximum age an individual can reach, and the healthspan, meaning the quality of life during that time, are of decisive importance.

There are various approaches to improving longevity. These include a balanced diet, regular physical activity, sufficient sleep and a positive social environment. Modern medicine and technology also play a decisive role. Through medical advances and digital innovation in healthcare, we can monitor our health more effectively and take proactive measures to improve our longevity.

Beyond old age: health takes centre stage

Life expectancy in modern society continues to increase. In Germany, men live to an average age of 78.8 years, while women live to an average age of 83.5 years. Medical and technological progress, together with improved living conditions, is helping this figure continue to rise.

However, a long life is not necessarily healthy or free of symptoms. People are living longer, but they are also spending more years in poor health. We all dream not only of living for a long time, but also of remaining healthy and active. Longevity is therefore not simply a numbers game, but a holistic approach centred on maintaining independence and health well into old age.

Healthspan vs. lifespan – the outlook is promising

While lifespan describes the total number of years we live, healthspan refers to the number of years we spend in good health, free from disease and in good physical condition. Although life expectancy has increased worldwide, healthspan has not kept pace to the same extent.

Key finding: The World Health Organization (WHO) predicts that a child born in Germany today will spend only around 71 (70.89) of an average 82 (81.72) years in good health – a loss of 11 years of quality of life. The difference between lifespan and healthspan is scientifically estimated at approximately 10–12 years.

Longevity research is determined to address this discrepancy.

How can I influence my own longevity?

The good news is that our longevity is partly in our own hands. A wide range of factors influences our ability to live a long and healthy life. From our diet and lifestyle to our social environment, there are many areas we can influence. Genes play only a secondary role: they account for only 20% of the development of diseases and our lifespan. The remaining 80% is controlled through epigenetics.

A balanced diet, regular exercise, sufficient sleep and avoiding harmful substances such as tobacco, alcohol and environmental toxins are important building blocks for a long and healthy life. Social connections and a positive outlook on life can also have a beneficial influence on longevity.

We describe in detail how strongly nutrition and gut health contribute in our article Nutrition for a long life and gut diversity.

Technology as support for our longevity

The role of technology in this context should not be underestimated. Modern technologies and medical research work hand in hand to develop new therapies and treatment methods that may slow or even prevent ageing. Renowned scientists such as Dr David Sinclair and Dr Peter Attia continue to advance longevity research.

Entire research institutes have spent decades investigating longevity and identifying more and more factors that cause us to age. In everyday life, digital innovations such as wearable technologies and apps can help us monitor and optimise our lifestyles. This can support long-term improvements in personal health and help us pursue greater longevity.

“Longevity Escape Velocity”: the prospect of a long life in perpetual youth

In the world of longevity, one encounters a fascinating concept known as Longevity Escape Velocity. The term was first coined by British biogerontologist Aubrey de Grey, who became widely known through his book “Ending Aging”.

The basic idea behind this concept is highly intriguing. Humanity continually benefits from advances in medical treatments and technologies. This also explains why average life expectancy rises over time, far beyond what statistical life expectancy at the time of our birth might have suggested. Nevertheless, we continue to experience an ageing process that progresses faster than science is able to develop methods for slowing it.

Longevity Escape Velocity is reached when life expectancy increases by more than one year for every year of research. In practical terms, this means that research generates valuable new insights quickly enough to provide ongoing answers to the challenges of ageing. The ultimate goal would be a state of perpetual youth. Some researchers already believe that we are close to reaching this point. The future will ultimately reveal which developments await us.

Conclusion

Longevity is a subject that plays a decisive role both in scientific research and in our everyday lifestyles. Longevity and anti-ageing research has already uncovered important mechanisms and control points in the body that influence ageing. This increasingly gives us the opportunity to influence our ageing process and bring our healthspan closer to our lifespan.

By making conscious choices regarding diet, exercise, sleep and social connections, we can have a major influence on our longevity. Modern technologies provide valuable support in this process. They allow us not only to live longer, but also to live healthier lives.

Those who would like to explore the cellular mechanisms of ageing in greater depth can find further information in our article Longevity and mTOR and in our overview of the 12 causes of ageing.

Sources

1. Angela R. Brooks-Wilson. Genetics of healthy aging and longevity. Springer Nature. 2013. link.springer.com/article/10.1007/s00439-013-1342-z
2. Armin Garmany, Satsuki Yamada, Andre Terzic. Longevity leap: mind the healthspan gap. NPJ. 2021. nature.com/articles/s41536-021-00169-5